Alex has $65 in his bank account. He is hoping to buy a Playstation, which costs $250. He has a babysitting job to help him save more money, and he makes $20 each night he babysits. Which inequality represents the number of nights he will have to work in order to buy the Playstation?
65 + 20n≥250
65 − 20n≥250
65n + 20≥250
65n − 20≥250